发明名称 |
Insulated wire |
摘要 |
According to one embodiment, an insulated wire is disclosed. The wire includes a conductor and an insulating film formed on the conductor, the insulating film including a first layer of a first polyamideimide containing an adhesion improver; a second layer of a second polyamideimide obtained by reacting an isocyanate component containing 10 to 70 mol % in total of 2,4′-diphenylmethane diisocyanate and dimer acid diisocyanate with an acid component; and a third layer of a polyimide obtained by reacting an acid component containing 50 to 90 mol % of 3,3′,4,4′-biphenyl tetracarboxylic dianhydride, 5 to 20 mol % of 3,3′,4,4′-benzophenonetetracarboxylic dianhydride and 5 to 40 mol % of pyromellitic anhydride with a diamine component containing 4,4′-diaminodiphenyl ether. |
申请公布号 |
US9601238(B2) |
申请公布日期 |
2017.03.21 |
申请号 |
US201514597371 |
申请日期 |
2015.01.15 |
申请人 |
DENSO Corporation;Unimac Ltd. |
发明人 |
Amano Yuki;Sugiura Shinsuke;Hirai Kazuomi;Nakane Yumi;Narita Masatoshi;Hirano Tatsumi;Kanemitsu Futoshi;Ashida Yasunari |
分类号 |
H01B7/29;H01B7/02;H01B7/04;H01B3/30;H01B7/28 |
主分类号 |
H01B7/29 |
代理机构 |
Harness, Dickey & Pierce, PLC |
代理人 |
Harness, Dickey & Pierce, PLC |
主权项 |
1. An insulated wire, comprising:
a conductor; and an insulating film disposed on the conductor, the insulating film comprising a first layer of a first polyamideimide containing an adhesion improver; a second layer of a second polyamideimide disposed on the first layer, the second polyamideimide being obtained by reacting an isocyanate component containing 10 to 70 mol % in total of 2,4′-diphenylmethane diisocyanate and dimer acid diisocyanate with an acid component; and a third layer of a polyimide disposed on the second layer, the polyimide being obtained by reacting an acid component containing 50 to 90 mol % of 3,3′,4,4′-biphenyl tetracarboxylic dianhydride, 5 to 20 mol % of 3,3′,4,4′-benzophenonetetracarboxylic dianhydride and 5 to 40 mol % of pyromellitic anhydride with a diamine component containing 4,4′-diaminodiphenyl ether, wherein, with regard to a proportion of thicknesses of the first to third layers in relation to the total thickness of the insulating film, the first layer is 10 to 20%, the second layer is 10 to 75%, and the third layer is 10 to 75%. |
地址 |
Aichi JP |